Elementary treatise on electricity and magnetism : founded on Joubert's "Traité élémentaire d'électricité" (1909)
Foster, G. Carey (George Carey), Porter, Alfred William, 1863-1939, Joubert, Jules François · London : Longmans · leaf 389
on.—A cylindrical coil has all the pioperties of a magnetised bar. This may be shown by means of the arrangement representedin Fig. 222. When the electromagnetic cylinder is suspended hori-zontally, as in the figure, and a current is passed through it, it sets in the direction of the magneticy… … Fig. 222. may be repeated by acting on it either with a magnet or withanother electromagnetic cylinder. Nevertheless, an electromagnetic cylinder must not be con-foimded with a hollow magnet: in the latter all the lines of field,both inside and outside, start from the positive or north end,…
Electricity · Magnetism
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